New International Version
They treated you as enemies when they deceived you in the Peor incident involving their sister Kozbi, the daughter of a Midianite leader, the woman who was killed when the plague came as a result of that incident."

American Standard Version
for they vex you with their wiles, wherewith they have beguiled you in the matter of Peor, and in the matter of Cozbi, the daughter of the prince of Midian, their sister, who was slain on the day of the plague in the matter of Peor.

Berean Study Bible
For they assailed you deceitfully when they seduced you in the matter of Peor and their sister Cozbi, the daughter of the Midianite leader, the woman who was killed on the day the plague came because of Peor.”

Douay-Rheims Bible
Because they also have acted like enemies against you, and have guilefully deceived you by the idol Phogor, and Cozbi their sister, a daughter of a prince of Madian, who was slain in the day the plague for the sacrilege of Phogor.

English Revised Version
for they vex you with their wiles, wherewith they have beguiled you in the matter of Peor, and in the matter of Cozbi, the daughter of the prince of Midian, their sister, which was slain on the day of the plague in the matter of Peor.

King James Bible
For they vex you with their wiles, wherewith they have beguiled you in the matter of Peor, and in the matter of Cozbi, the daughter of a prince of Midian, their sister, which was slain in the day of the plague for Peor's sake.

World English Bible
for they harassed you with their wiles, with which they have deceived you in the matter of Peor, and in the matter of Cozbi, the daughter of the prince of Midian, their sister, who was slain on the day of the plague in the matter of Peor."

Young's Literal Translation
for they are adversaries to you with their frauds, with which they have acted fraudulently to you, concerning the matter of Peor, and concerning the matter of Cozbi, daughter of a prince of Midian, their sister, who is smitten in the day of the plague for the matter of Peor.'

Numbers 25:18 Additional Translations ...